1 files changed, 4 insertions, 4 deletions

diff --git a/tools/100_checkdata/checkdata.c b/tools/100_checkdata/checkdata.c
index 695a4dd..2005f17 100644
--- a/tools/100_checkdata/checkdata.c
+++ b/tools/100_checkdata/checkdata.c
@@ -12,19 +12,19 @@ run(void) {
         size = nissy_datasize(solver);
 
         if (size <= 0) {
-                fprintf(stderr, "Error in datasize\n");
+                printf("Error in datasize\n");
                 return;
         }
 
         if ((f = fopen(filename, "rb")) == NULL) {
-                fprintf(stderr, "Error reading file %s\n", filename);
+                printf("Error reading file %s\n", filename);
                 return;
         }
 
         buf = malloc(size);
         fread(buf, size, 1, f);
         fclose(f);
-        result = nissy_checkdata(solver, buf);
+        result = nissy_checkdata(size, buf);
         free(buf);
 
         printf("checkdata %s\n", result == 0 ? "succeeded" : "failed");
@@ -34,7 +34,7 @@ run(void) {
 
 int main(int argc, char **argv) {
         if (argc < 3) {
-                fprintf(stderr, "Error: not enough arguments. "
+                printf("Error: not enough arguments. "
                     "A solver and a file name must be given.\n");
                 return 1;
         }